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iii

Glossary

Abbreviation

AADT

Annual Average Daily Traffic (vehicles per day)

AQAP

Air Quality Action Plan

AQMA

Air Quality Management Area

AQO

Air Quality Objective

AURN

Automatic Urban and Rural Network

CO2

Carbon dioxide

Defra

Department of the Environment, Food and Rural Affairs

DMRB

Design Manual for Roads and Bridges

EA

Environment Agency

g/m3

Gram per cubic metre

HDV

Heavy Duty Vehicle

LAQM

Local Air Quality Management

mg/m3

Milligram per cubic metre

NAEI

National Atmospheric Emissions Inventory

NO2

Nitrogen dioxide

NOx

Oxides of nitrogen

NRTF

National Road Traffic Forecasts

PM10

Particulate Matter with an equivalent aerodynamic diameter of ten micrometers (10 µm) or less

SO2

Sulphur dioxide

U&SA

Updating and Screening Assessment

µg/m3

Microgram per cubic metre

VRU

Vapour recovery unit

WBC

West Berkshire Council

h:\projects\em-260\10000 projects\10151 aq w.berks r&a - phase 2\d design\reporting\10151 aq final u&sa.doc 10151-01

May 2003

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